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EP 3 912 181 A1

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(43) Date of publication: 24.11.2021 Bulletin 2021/47 (21) Application number: 20741450.9 (22) Date of filing: 21.01.2020

(51) International Patent Classification (IPC):  H01H 35/42(2006.01) H01H 37/02(2006.01) H01H 37/14(2006.01) H01H 37/64(2006.01) G01J 5/20(2006.01) H01H 37/72(2006.01) H01H 37/10(2006.01) H01H 37/52(2006.01) H01H 37/46(2006.01) G01J 5/58(2006.01) (52) Cooperative Patent Classification (CPC): H01H 37/72; H01H 37/52; H01H 37/46 (86) International application number: PCT/US2020/014427 (87) International publication number: WO 2020/150732 (23.07.2020 Gazette 2020/30)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 19.01.2019 US 201962794612 P (71) Applicant: Northeastern University Boston, MA 02115 (US)	(72) Inventors: RINALDI, Matteo Boston, MA 02215 (US) QIAN, Zhenyun Boston, MA 02215 (US) RAJARAM, Vageeswar Boston, MA 02115 (US) (74) Representative: Cabinet Beau de Loménie  158, rue de l'Université 75340 Paris Cedex 07 75340 Paris Cedex 07 (FR)